<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>home</title>
    <style>
        div {
            width: 200px;
            height: 200px;
            background-color: red;
        }
    </style>
</head>
<body>
    <h1>home</h1>
</body>
</html>